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#1 |
Registered Member
Join Date: Jan 2006
Location: wi
Posts: 15
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![]() i called the local ford dealer and they dont make a 23 tooth spedo gear they told me to go to dodge to get the gear. i also talked to a tranny shop and he said that each tooth is 2mph and iam off 14 mph so a 23 tooth wont be enough my car has a 21 tooth please help
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#2 |
AKA "Dr. Evil"
Join Date: Feb 1999
Location: South Fork Ranch
Posts: 1,721
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![]() Did you not look in the chart I attached?
What size tires are you running on the car?
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Uncle Sam "What the hell is up with all the gauges? Calling Captain Kirk, your ride awaits... Phasers on stun...." |
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#3 |
AKA "Dr. Evil"
Join Date: Feb 1999
Location: South Fork Ranch
Posts: 1,721
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![]() Steeda sells a 23 tooth gear.
http://www.steeda.ca/catalogue_product_1238.asp Unfortunately, it will still be off with 4.10s.....
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Uncle Sam "What the hell is up with all the gauges? Calling Captain Kirk, your ride awaits... Phasers on stun...." |
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#4 |
96GREENGT
Join Date: Mar 2005
Location: las vegas
Posts: 51
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![]() hammer, i did the calculation per the link you attached. i've got a 8 tooth, 3.73 ratio, and whether i have 800 or 815 (don't know exact) tire revolutions formula says i need a 24 tooth gear. do they make such a thing. i've got 275/40-17's on 17x9" rims on a t-45 equipped 96 gt which had a 3.27 stock, not 3.08's like other GT's of that year (it's a GTS). speedo feels about 8-10 mph off. what do you suggest?
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-'96 GTS Deep Forest Green Metallic- 8#Powerdyne,Bassani Cat-X,2 chamber Flows, FMS alum. DS,Kenne Brown subframes,Pro 5.0 short throw,FRPP 3.73's,Accufab Plenum/75mm TB,11# blower pulley,Bassani mid headers,Eibach 1.5" springs,17" Cobra R's w/ 275/40zr-17 g-force kd's,Centerforce Dual Friction -'87 Black LX 5.0 BBK shorties&Cat-X,2 chamber Flows,MSD ign,stock 3.08's,MGW short-throw,BBK cold-air,King Cobra clutch,235/55-17(F)&255/50-17(R) Kumho Ecsta's on 95 Cobra R 4-lugs |
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#5 |
AKA "Dr. Evil"
Join Date: Feb 1999
Location: South Fork Ranch
Posts: 1,721
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![]() Two options:
1. Get the 23 tooth gear and get pretty close (That's what I used with my 98 and 3.73s) or 2. Call Dallas Mustang and ask if they make a speed-cal for your application: http://www.dallasmustang.com/page/pr...p?product=9910
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Uncle Sam "What the hell is up with all the gauges? Calling Captain Kirk, your ride awaits... Phasers on stun...." |
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#6 |
Registered Member
Join Date: Feb 2002
Location: Maryville,TN
Posts: 415
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![]() Like the HAMMER said. get the Steeda 23 tooth or I think you can get a speed cal. I have the 23 tooth and it's off, but I never look at the speedo anyway!!
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98 GT / convertable -98 Saleen engine, Saleen appearance pkg. SHM cams,P&P NPI heads, and so much more! |
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